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Finding the Fourth Proportional to 917,446,502.87, 1,376,169,754.31 and 917,446,502.87

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Solution

The fourth proportional to 917,446,502.87, 1,376,169,754.31 and 917,446,502.87 is: 1,376,169,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,446,502.87 : 1,376,169,754.31 = 917,446,502.87 : x
  2. Step 2: Convert to fraction form
    917,446,502.87/1,376,169,754.31 = 917,446,502.87/x
  3. Step 3: Cross multiply
    917,446,502.87x = 1,376,169,754.31 × 917,446,502.87
  4. Step 4: Simplify right side
    917,446,502.87x = 1,262,562,128,444,263,680
  5. Step 5: Solve for x
    x = 1,262,562,128,444,263,680/917,446,502.87
  6. Step 6: Final answer
    x = 1,376,169,754.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.